It’s freezing but that flock of ducks is standing barefoot on an icy pond. Why don’t they have frostbite? Turns out, ducks (any many other birds) have something in their legs humans don’t, rete mirabile.
Brrrrr! image: Capri23auto (pixabay.com)Rete mirabile at work, warming blood coming in from the feet and cooling blood going out into those webbed toes. A perfect internal heat exchanger for standing on the ice.
Friends, On Sunday Feb. 17, Brain Junk had the privilege of being on Spokane Public Radio during their morning programming. IT WAS AMAZING! via GIPHY Sneeze Voting got its slightly
Look grammar police, it’s octopuses and we don’t have to like it, BUT you are going to love learning that just like humans, octopuses do seem to have a preferred
